61results about How to "Meet special use requirements" patented technology

The invention relates to a water-base printing ink and its producing method, especially water-base high light friction resistance gravure oil and the producing method thereof. The oil is suitable for packing print in the soft packing field such as food, drink, medicine, health products, chemicals and etc. The water-base high light friction resistance gravure oil is composed of acrylic resin, acrylic emulsion, dye, ethanol, built-up agent, dispersant, deionized water, water-base emulsifying wax, antifoamer, leveling agent. The inventive product completely meets the requirement of the gravure oil, has a reliable quality and can replace the solvent gravure oil, which can be dilute by the tap water of ethanol. The printing device can be washed directly by the tap water. The product has a high concentration, a low viscosity, a good printing adaptability has no harm to the environment and human body. The presswork has a clear pattern, a bright color, a powerful attached fastness, a good water resistance and friction resistance, has no harmful residue after drying and is not easy to fade and shed.

The invention discloses a process for preparing alumina-based continuous fiber with a sol-gel method. The process comprises the following steps of: adding aluminium nitrate and one or a plurality of kinds of carboxylic acids with the carbon number of 2 to 24 to distilled water; ensuring the mixture to react in the condition of continuous stirring under a certain temperature to obtain transparent carboxylate aluminium gel; adding a certain amount of solvent to the carboxylate aluminium gel, and adding a certain amount of silicon-contained additives and superpolymer spinning additives to obtain an alumina-based fiber precursor solution; concentrating the solution to obtain spinnable alumina-based fiber precursor sol; placing the concentrated sol to a liquid storage tank with a spray head, and spinning by adopting a dry method or a wet method to obtain alumina-based continuous fiber protofilament containing organic matters; and drying and sintering the protofilament to obtain the alumina-based continuous fiber. The alumina-based continuous fiber obtained by adopting the invention can be used for reinforcement of composite materials so as to further enhance the strength and toughness of the materials and improve the heat resistance of the materials, and is widely applied in the fields of aerospace, automobiles, and the like.

The invention discloses a process for preparing yttrium aluminum garnet-based continuous fibers through a sol-gel method. Yttrium aluminum garnet is taken as a main component, and a second component is added to serve as a grain inhibitor. The process comprises the following steps of: adding inorganic aluminum salt, yttrium oxide, the grain inhibitor, acetic acid and metal aluminum into distilled water, and reacting the mixture solution under the conditions of certain temperature, continuously stirring and condensing reflux so as to prepare grain inhibitor-containing yttrium aluminum garnet sol; adding a certain amount of spinning aid into the sol, and concentrating the solution so as to prepare spinnable fiber precursor sol; spinning to prepare precursors of organic matter-containing yttrium aluminum garnet-based continuous fibers by adopting a dry method or a wet method; and drying and sintering the precursors to prepare the yttrium aluminum garnet-based fibers. The prepared yttrium aluminum garnet-based continuous fibers can be used as reinforcement in a composite material to improve the strength, toughness and heat resistance of the material, and is widely applied in the fields of aerospace, automobiles and the like.

The invention discloses technology of preparing aluminium oxide based continuous fibers by a sol-gel process, which is characterized by adding one or more polyols containing 3-6 carbon atoms into anhydrous ethanol, adding aluminum powder and a catalyst after the mixture is evenly mixed and ensuring the mixture to react under the conditions of continuous stirring and reflux condensation under certain temperature to obtain transparent aluminum alkoxide solution; adding a given quantity of silicon-containing substances and spinning assistants into the aluminum alkoxide to obtain precursor solution of aluminium oxide based fibers and concentrating the solution to obtain precursor sol of spinnable aluminium oxide based fibers; placing the concentrated sol into a liquid storage tank with a spray nozzle and spinning by a dry or wet method to obtain aluminium oxide based continuous precursor fibers containing organics; and drying and sintering the precursor fibers to obtain the aluminium oxide based fibers. The aluminium oxide based continuous fibers prepared by the technology can be used in reinforcement in the composite, further improve the heat resistance and mechanical property of the material and are widely applied in the fields of aerospace, automobile and the like.

The invention provides a six-element high-entropy oxide material for a lithium ion battery and a preparation method, and relates to the technical field of entropy oxide materials. The chemical formulaof the six-element high-entropy oxide powder material is (AlxCoCrFeMnNi)3O4, wherein the value of x ranges between 0.2 and 1. Raw materials comprise aluminum nitrate, cobalt nitrate, chromium nitrate, ferric nitrate, manganese nitrate and nickel nitrate, wherein the molar ratio of aluminum nitrate to the sum of the rest nitrates is (0.2-1):1. The preparation method comprises the steps of dissolving the nitrates, adding a proper amount of fuel, uniformly mixing, and carrying out low-temperature combustion to obtain the six-element spinel type high-specific-surface-area (AlxCoCrFeMnNi)3O4 high-entropy oxide nano-powder material. The six-element high-specific-surface-area (AlxCoCrFeMnNi)3O4 high-entropy oxide nano-powder prepared according to the method is used as a lithium ion battery negative electrode material, has relatively high specific capacity, excellent cycle characteristic, and is simple in preparation method and low in cost.

The invention discloses a preparation process for a composite continuous ceramic fiber. The process is characterized in that a reinforcing material is added into precursor sol of a ceramic fiber, the reinforcing material and the precursor sol are fully mixed under stirring, an obtained composite solution is condensed to obtain spinnable precursor composite sol, the technique of plastic extrusion spinning is employed to process the condensed composite sol so as to obtain continuous fiber ceramic protofilament containing the reinforcing material and finally the protofilament is dried and sintered so as to obtain the composite continuous ceramic fiber. The ceramic fiber prepared in the invention is applicable to the fields of aerospace, automobiles, stationary and sports goods and can be used as reinforcement of a composite material.

The invention provides a modified ABS automobile special material comprising the following components in the formula in parts by weight: 100 parts of resin matrix ABS, 5-15 parts of active filler hollow microsphere, 4-8 parts of high rubber powder ABS, 0.5-0.8 part of age resister and 2-4 parts of master batch. In the above formula composition, the matrix resin ABS is granular substance; the active filler hollow microsphere is processed by silane coupling agent KH 550; the age resister mainly comprises master antioxidant, slave antioxidant and uvioresistant agent which are all powdery substance; the color of the master batch is determined according to product requirements, and the master batch is granular substance. The invention utilizes the principle that solubility parameters are similar; other polymers and various auxiliary agents, such as age resister, flexibilizer, fillers and the like are added into the ABS material and carry out molten mechanical mixing at certain temperature so as to obtain a new material applied on lorry parts.

The invention provides a hydrodynamic pressure suspension double-flow pump, relating to an impeller ultra-small pump which has no external mechanism axis and is driven magnetically. The pump comprises two mutually separate flowing channels; each flowing channel consists of an inlet, an impeller, a pressure water chamber and an outlet; and the geometrical parameters of the flowing channels are the same or different; a stator of the pump is embedded in a pump shell, a permanent magnet is embedded in a rotor; and the stator and the permanent magnet are arranged opposite along a radial direction; a radial gap is formed between the internal surface of the pump shell and the external surface of the rotor, so that liquid hydrodynamic support for restricting axial movement is formed during normal operation of the pump; an axial gap is formed between the front cover plate of each impeller and the corresponding pump cover, so that liquid hydrodynamic support for restricting rotor axial movement is formed during the normal operation of the pump. In such a way, the rotor can be suspended in the pump cavity during normal operation. The pump provided by the invention can be used for meeting double-flow use requirement of different flows and pressures, and good flowing condition can be effectively and favorably formed in the internal cavity of the pump shell, and moreover, the operation reliability of the pump can be improved.

The invention discloses a flexible cable used for a new energy automobile. The cable comprises a conductor and an insulation layer used for wrapping the conductor. The outer part of the insulation layer is provided with a cooling layer in a wrapped manner, and at least one cooling medium channel extended along the length direction of the insulation layer is disposed in the cooling layer, and is used to introduce the cooling medium for the cooling and the heat dissipation of the insulation layer. Heat energy radiated by the insulation layer outwardly is effectively, reliably, quickly, and greatly eliminated by the cooling medium, and then the heat energy radiated on the outer part of the cooling layer is reasonable, controllable, and safe, and then the special use requirement of the new energy automobile is satisfied. The flexible cable is in service and operated reliably, safely, and stably in various severe environments, and has advantages of simple structure, convenient forming, small forming difficulty, low forming costs, compact structure, good flexibility, excellent heat dissipation effect, high flame resistant performance, high reliability, good safety performance, and strong practicability.

The invention discloses a modified PP (polypropylene) automobile special material which comprises the formula of resin matrixes PPH and PPB, reinforcing filler talcum powder, high-density polyethylene HDPE, toughening agent EOC, age resister, compatilizer and master batch according to the parts by weight: 5-10 pats of PPH (homo polypropylene), 90-95 parts of PPB (co-polypropylene), 20-40 parts ofactive talcum powder or talc grain, 5-10 parts of HDPE (high-density polyethylene), 2-8 parts of EOC (flexibilizer), 0.3-0.6 part of age resister, 2-8 parts of PP-g-MA (compatilizer) and 2-4 parts of master batch. In the above formula, the sum of PPH (homo polypropylene) and PPB (co-polypropylene) is equal to 100 parts, and the PPH (homo polypropylene) and PPB (co-polypropylene) are both granular substance; the active talcum powder or talc grain is processed by silane coupling agent, and liquid paraffin is added; the age resister mainly comprises master antioxidant, slave antioxidant and uvioresistant agent which are all powdery substance; the color of the master batch is determined according to product requirements, and the master batch is granular substance. The invention utilizes the principle that solubility parameters are similar; other polymers and various auxiliary agents, such as age resister, compatilizer, flexibilizer, fillers and the like are added into the PP material and carry out molten mechanical mixing at certain temperature so as to obtain a new material applied on lorry parts.

The invention provides a ladder winding method for a transformer type sensor coil. The ladder winding method comprises the following steps of: wrapping the outer surface of a framework winding region for two circles by using non-alkali glass fiber cloth dipped with insulating varnish; then drying; flatly winding an enamel round copper wire at the framework winding region, and brushing the insulating varnish once when one layer of the enamel round copper wire is wound; after the layers of the specified number are flatly wound, continuously winding the enamel round copper wire in a specified region according to requirements, and brushing the insulating varnish once when one layer of the enamel round copper wire is wound; after the winding is completed, wrapping the coil for two circles by using a polytetrafluoroethylene film; then wrapping the coil for two circles by using the non-alkali glass fiber cloth; then binding by using cotton threads; and finally drying. After a sensor is assembled by using the coil wound by the invention, the sensor is mounted on a spout afterburner fuel regulator and is used for completing test run and check test run together with an engine, and special use requirements of the engine can be completely satisfied.

The invention discloses an auxiliary electric motor special for wind power.The auxiliary electric motor comprises a rotating shaft, a bearing, an external bearing cover, an end cover and an internal bearing cover; the bearing is installed on the rotating shaft in a sleeving mode, the internal bearing cover and the external bearing cover are arranged on the inner side and the outer side of the bearing respectively, and the end cover is installed on the external circle of the bearing in a sleeving mode; a grease storage space containing a grease adding channel and a grease discharging channel is formed by the external bearing cover, the end cover and the internal bearing cover in an enclosing mode.The invention further discloses a bearing grease adding method of the auxiliary electric motor special for the wind power.When lubricating grease is initially loaded and the lubricating grease is added again in a wind field, grease adding is conducted when the electric motor rotates.The invention further discloses a wind power unit containing the auxiliary electric motor special for the wind power.By means of the auxiliary electric motor special for the wind power, the bearing grease adding method of the electric motor and the wind power unit, the use requirements of the wind-power auxiliary electric motor on the long guarantee period and high reliability are guaranteed, the special use requirement in the wind field is met, and the auxiliary electric motor special for the wind power is suitable for application and popularization.

The invention discloses a high-efficient low-cost electromagnetic shielding film and a manufacturing method thereof. The electromagnetic shielding film comprises: a support film layer, an ink layer coating the support film layer, and an electrical conductive adhesive layer coating the ink layer. The electromagnetic shielding film allows a simple and easy manufacture process, and can be directly produced through a conventional FPC manufacturing procedure, such as drilling and punching. The manufacturing procedure is greatly shortened; the production efficiency is improved; and the production cost is reduced. The electrical conductive adhesive layer permits the electromagnetic shielding film of excellent conductive performance, and the conductive resistance may reach 0.3 omega in an electrode of 1 cm and a bore with a diameter of 0.5 mm. The ink layer possesses excellent insulativity and frame resistance and can reach the UL94VTM-0 effect. Furthermore, rubber elastomer can be added in each layer and enables the whole electromagnetic shielding film to possess relatively high flexibility, and a special use requirement of a flexible circuit board material is satisfied.

The invention belongs to the technical field of lens imaging and discloses a periscopic type panoramic image imaging device and system. The periscopic type panoramic image imaging device comprises a barrel body, wherein the barrel body is internally provided with a light-sensing element for receiving a light signal reflected by a photographed object; the barrel body is internally further providedwith a camera lens assembly which is used for projecting the light signal of the photographed object to the light-sensing element; a semi-oval-shaped reflection mirror for reflecting the light signalof the photographed object at the periphery into the camera lens assembly is arranged above the barrel body; the bottom of the reflection mirror is of a sharp end shape. According to the periscopic type panoramic image imaging device and system, 360-degree panoramic information at the periphery can be obtained by adopting the reflection mirror, and the bottom of the reflection mirror is of the sharp end shape, so that a relatively wide view-field pitch angle can be obtained and the device has a 360-degree panoramic photographing function; meanwhile the periscopic type panoramic image imaging device has the relatively wide view-field pitch angle and meets special utilization requirements.

The invention discloses a technology for preparing cordierite-based continuous fiber by using a sol-gel method. According to the invention, aluminum nitrate, a magnesium-containing compound, organic acid and an inorganic additive are added to water, such that a mixed solution is formed; the mixed solution is subject to a reaction with continuous stirring under a certain temperature, such that an aluminum-magnesium gel is obtained; a certain amount of a solvent is added to the aluminum-magnesium gel, and a certain amount of a silicon-containing additive and a high-polymer spin finish aid are added to the mixture, such that a cordierite-based fiber precursor solution is obtained; the solution is condensed, such that a spinnable cordierite-based fiber precursor sol is obtained; a dry spinning method or a wet spinning method is adopted, and cordierite-based continuous fiber protofilaments containing organics are obtained; and the protofilaments are dried and sintered, such that cordierite-based continuous fiber is obtained. The cordierite-based continuous fiber can be used as reinforcement in a composite material for improving the strength and the toughness of the material, and for improving the thermal resistance of the material. The cordierite-based continuous fiber can be widely applied in fields of aeronautics and astronautics, automobiles, and industrial kilns.

The invention discloses a crane brake, with open-close functions. It is characterized in that: the brake belts (3, 4) are coiled on the drum brake (26); one end of brake belt (3) via fixed axle (5) is fixed on the base (25); the brake belt (4) via pin (10) is connected to the bended arm (8); the bolt (1) and compress spring (2) are used to connect the brake belt (3) and the brake belt (4); the bended arm (8) via fixed axle (5) is fixed on the base (25); the cylinder (18) is fixed on the bracket (13) and via fixed axle (20) fixed on the base 925); the left end of brake spring (15) is supported on the bracket (13), while the right end via baffle plate (16) transforms the spring force to the support rod (14); the left end of support rod (14) via adjusting bolt (11) is connected to the ear plate (7); the ear plate (7) via pin (6) is connected to the bended arm (8). The invention has the advantages of simple structure, lower cost, high safety, and open-close function.

The invention relates to a method for performing purification treatment to surface raw water and a water purifying device. The method comprises the step of performing rough filtration, medicine-adding blended disinfection, flocculation precipitation, and valvedless filtration to the surface raw water with a turbidity lower than 1500mg/l, to get purified water reaching domestic water standards. The water purifying device mainly comprises a rough filter, a medicine-adding blender, a flocculation precipitator, and a valvedless filter group, wherein the medicine-adding blender is connected to the rear part of the rough filter and connected with a medicine adding device for allocating disinfection water agent through a dosing pump or a valve; the rear part of the medicine-adding blender is connected with the flocculation precipitator and the valvedless filter; the flocculation precipitator comprises a lower part for flocculation reaction and an upper part for inclined pipe precipitation; and the flocculation reaction adopts powdery aluminium chlorohydroxide or aluminium sulphate as flocculation reactant. The invention has the advantages of compact and reasonable structure, operation convenience, running stability, good treatment effect, low construction cost, lower running cost, etc., and can basically meet special use requirements of countryside and small and medium enterprises.

The invention discloses a protective door with a function of resisting the impact of small aircrafts. The protective door comprises a left side door and a right side door; the bottoms of the left sidedoor and the right side door roll on a lower guide rail respectively by means of two travelling wheels; the tops of the left side door and the right side door roll on an upper guide rail respectivelyby means of two upper guide wheels; the left side door and the right side door are respectively provided with drive motors used for driving the travelling wheels to rotate; two electromagnetic locksare arranged on the wall above a middle door seam when the left side door and the right side door are in a closed state; lock holes, corresponding to the two electromagnetic locks, are respectively formed in the tops of the left side door and the right side door; an enhancement structure is arranged between the opposite sides of the left side door and the right side door. The whole structural strength of the protective door is improved, and the protection intensity of the protective door is especially improved when the protective door is closed; the protective door has the functions of resisting the impact of the small aircrafts, resisting the wind pressure of tornado, and defending flying projectiles of the tornado, thus meeting the special use requirements of a nuclear power plant for the protective door.

The invention relates to a vibration-damping and locking integrating device of a chassis suspension fork of a vehicle, in particular to a vibration-damping and locking device of a chassis suspension fork of a vehicle. The vibration-damping and locking device mainly comprises a piston rod, a cylinder, a piston, a lock valve, a DC electromagnet, an oil tank, and the like. The device is arranged between a vehicle body and an axle, has the characteristics of compact structure, less space occupation, convenient installation, high sensitivity and reliability, low cost, and the like, can complete the bilateral rigid locking and vibration damping of the chassis suspension fork of a vehicle and can adapt to the severe atmosphere of a vehicle chassis. The device can be widely used as a vibration-damping and locking device of the chassis suspension forks of various vehicles, is suitable for vehicles with compact structural space, and particularly suitable for being used as the vibration-damping and locking devices of the chassis suspension forks of special vehicles, special purpose vehicles and heavy-duty vehicles, thereby satisfying the special use requirements of the vehicles.